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Time and The Edge

Time	Species	Cranial capacity	Edges	Range	Significant events
3300.000	A. afarensis	450 cc	None	Rift Valley	Bipedal (Lucy)
3000.000	A. africanus		None	Rift Valley	Loss of body hair
2500.000	Homo proto		Proto	Rift Valley	The Edge----Long thumb.
2000.000	H. habilis	700 cc	Biface		Biface----Omniverous
1900.000	H. Habilis	700 cc		Grasslands	Increased cranial capacity----
1800.000	H Erectus	900 cc	Hand Axe		Hand Axe
1700.000	H. Erectus	1000 cc	Acheulean
1600.000	H Erectus			Georgia
1200.000	H Erectus	1100 cc		Jordan
1000.000	H Erectus			Indonesia
800.000	H. Sapiens (archaic)	1200 cc		Europe	Fire
500.000	H Sapiens				Shelter
300.000	H Sapiens
250.000	H Sapiens		Neuclei		Hand axes from prepared neuclei
170.000	H Sapiens		Neuclei		Clothing
100.000	H. S. Sapiens	1350 cc	Levallois
--------	H. S. Neanderthalensis	1450 cc		Europe	Burial
50.000	H. S. Sapiens	1350 cc	Multiflake		Modern Language structure.
30.000	H. S. Sapiens	1350 cc	Microlith	Americas	Art.
9.000	H. S. Sapiens	1350 cc		Ireland	Farming.
8.000	H. S. Sapiens	1350 cc	Bronze		Bronze
7.000	H. S. Sapiens	1350 cc			Urbanisation.
4.000	H. S. Sapiens	1350 cc	Iron		Iron